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mcp/harbor
LangChain

Knowledge Fabric for LangChain

io.github.invarcore/knowledge-fabric

Multi-tenant hybrid RAG & evidence verification MCP server enforcing PostgreSQL RLS.

client:LangChain transport:stdio runtime:pypi

Install Knowledge Fabric in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "knowledge-fabric": {
            "transport": "stdio",
            "command": "uvx",
            "args": ["knowledge-fabric"],
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

Knowledge Fabric in other clients

Knowledge Fabric MCP server